JAMB Physics 2021 Objective — Question 10
Question 10 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2021 Objective paper, with the correct answer and a full explanation.
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14 kg body released on smooth incline at 60° to horizontal. Acceleration down the plane: (g=10 ms⁻²)
- A. 10 m/s²
- B. 5 m/s²
- C. 8.66 m/s²Correct
- D. 4.33 m/s²
Explanation
a=g sinθ=10×sin60°≈8.66 m/s².
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